Patents by Inventor Hang Jae Lee
Hang Jae Lee has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20240136490Abstract: A display device may include a substrate, and a display element layer disposed on the substrate and including a light emitting element that emits light in a display direction. The display element layer may include a first contact electrode electrically connected to the light emitting element, a second contact electrode electrically connected to the light emitting element, and a bank pattern having a shape extending in the display direction. At least one of the first contact electrode, the second contact electrode, and the bank pattern may include a transparent conductive polymer.Type: ApplicationFiled: December 11, 2023Publication date: April 25, 2024Applicant: Samsung Display Co., LTD.Inventors: Hang Jae LEE, Yuk Hyun NAM, Sang Hoon PARK
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Publication number: 20240097073Abstract: A display device includes a first electrode and a second electrode spaced apart from each other, a third electrode and a fourth electrode intersecting the first and second electrodes and spaced apart from each other, and light emitting elements disposed between the first and second electrodes. A first end of each of the light emitting elements faces the third electrode, and a second end of each of the light emitting elements faces the fourth electrode.Type: ApplicationFiled: May 12, 2023Publication date: March 21, 2024Applicant: Samsung Display Co., LTD.Inventors: Dong Lim KIM, Won Hee NAM, Hang Jae LEE
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Patent number: 11914423Abstract: A flexible display device is provided. A flexible display device according to one embodiment of the present invention comprises a body, a moving plate, a first pulley, a second pulley, a driving track and a flexible display. The flexible display is coupled to outer surfaces of the moving plate and the driving track, and the driving track forms a continuous track shape by itself or together with the moving plate. Therefore, provided is the flexible display device in which a constant tension can be maintained over the entire section of the driving track while the moving plate and the driving track support the flexible display, the occurrence of spring back in the flexible display can be minimized, and damage caused by unevenness of the flexible display, and the like, can be prevented.Type: GrantFiled: April 11, 2019Date of Patent: February 27, 2024Assignee: LG ELECTRONICS INC.Inventors: Min Chul Shin, Hang Seok Kim, Gil Jae Lee, Dong Jun Choi
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Patent number: 11908849Abstract: A display device includes electrodes disposed on a substrate, extended in a first direction, and spaced apart from one another in a second direction intersecting the first direction, and light-emitting elements having ends disposed on the electrodes, wherein the electrodes include a first electrode having a first portion and a second portion, and a floating electrode adjacent to the first portion of the first electrode, and a width of the second portion is greater than a width of the first portion in the second direction.Type: GrantFiled: September 16, 2021Date of Patent: February 20, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Hang Jae Lee, Sung Jae Yun, Yuk Hyun Nam
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Patent number: 11901374Abstract: A display device in accordance with some embodiments may include a substrate, a first interlayer insulating layer on the substrate, a data conductor on the first interlayer insulating layer, a passivation layer on the data conductor, a pixel electrode layer on the passivation layer, and a shielding electrode between the data conductor and the pixel electrode layer, and defining a first contact opening and a second contact opening, wherein the data conductor and the pixel electrode layer are electrically coupled to each other in each of the first contact opening and the second contact opening.Type: GrantFiled: February 17, 2022Date of Patent: February 13, 2024Assignee: Samsung Display Co., Ltd.Inventors: Hang Jae Lee, Yuk Hyun Nam, Sung Jae Yun
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Publication number: 20240047445Abstract: A display device includes: a substrate including a pixel area; and a pixel in the pixel area, the pixel including a first sub-light emitting area, a second sub-light emitting area, and a peripheral area surrounding the first and second sub-light emitting areas. The pixel may include: a first electrode, a second electrode, a third electrode, and a fourth electrode that are spaced from each other; a plurality of light emitting elements in the first and second sub-light emitting areas; a bank in the peripheral area and including a first opening corresponding to the first sub-light emitting area and a second opening corresponding to the second sub-light emitting area; and an intermediate bank between the first sub-light emitting area and the second sub-light emitting area and partially overlapping the second and third electrodes in a plan view.Type: ApplicationFiled: October 19, 2023Publication date: February 8, 2024Inventors: Sung Jae YUN, Sang Hoon PARK, Jee Hoon PARK, Dong Woo SHIN, Hang Jae LEE, Jae Won CHOI
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Patent number: 11881547Abstract: A display device may include a substrate, and a display element layer disposed on the substrate and including a light emitting element that emits light in a display direction. The display element layer may include a first contact electrode electrically connected to the light emitting element, a second contact electrode electrically connected to the light emitting element, and a bank pattern having a shape extending in the display direction. At least one of the first contact electrode, the second contact electrode, and the bank pattern may include a transparent conductive polymer.Type: GrantFiled: April 12, 2021Date of Patent: January 23, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Hang Jae Lee, Yuk Hyun Nam, Sang Hoon Park
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Publication number: 20230369345Abstract: A display device including a substrate, first banks disposed on the substrate to be spaced apart from each other, first and second electrodes disposed on the first banks to cover the first banks and be spaced apart from each other, first auxiliary electrodes on the first electrode, and light-emitting elements disposed between the first and second electrodes, the first auxiliary electrodes overlap the light-emitting elements.Type: ApplicationFiled: December 21, 2022Publication date: November 16, 2023Applicant: Samsung Display Co., LTD.Inventors: Yuk Hyun NAM, Hang Jae LEE
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Publication number: 20230352626Abstract: A display device comprises a bank pattern disposed on a substrate and including a first bank pattern extended in a direction, second bank patterns adjacent to each other with the first bank pattern disposed between the second bank patterns, and connection portions connecting the first bank pattern with the second bank patterns, a first electrode disposed on the first bank pattern, a second electrode disposed on one of the second bank patterns, and a third electrode disposed on another one of the second bank patterns, an insulating layer disposed on the bank pattern, the first electrode, the second electrode, and the third electrode, and light emitting elements disposed between the first electrode and the second electrode, and between the first electrode and the third electrode.Type: ApplicationFiled: December 6, 2022Publication date: November 2, 2023Applicant: Samsung Display Co., LTD.Inventors: Yuk Hyun NAM, Hang Jae LEE
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Patent number: 11798927Abstract: A display device includes: a substrate including a pixel area; and a pixel in the pixel area, the pixel including a first sub-light emitting area, a second sub-light emitting area, and a peripheral area surrounding the first and second sub-light emitting areas. The pixel may include: a first electrode, a second electrode, a third electrode, and a fourth electrode that are spaced from each other; a plurality of light emitting elements in the first and second sub-light emitting areas; a bank in the peripheral area and including a first opening corresponding to the first sub-light emitting area and a second opening corresponding to the second sub-light emitting area; and an intermediate bank between the first sub-light emitting area and the second sub-light emitting area and partially overlapping the second and third electrodes in a plan view.Type: GrantFiled: October 15, 2021Date of Patent: October 24, 2023Assignee: Samsung Display Co., Ltd.Inventors: Sung Jae Yun, Sang Hoon Park, Jee Hoon Park, Dong Woo Shin, Hang Jae Lee, Jae Won Choi
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Publication number: 20230028194Abstract: A display device includes: a substrate; a plurality of pixel columns on the substrate, each of the plurality of pixel columns including a plurality of pixel groups each including a first pixel and a second pixel arranged along a first direction; and a bank enclosing a perimeter of each of the plurality of pixel groups, the bank including a first opening corresponding to each of the plurality of pixel groups, and a second opening located between two pixel groups adjacent to each other in the first direction among the plurality of pixel groups.Type: ApplicationFiled: July 19, 2022Publication date: January 26, 2023Inventors: Hang Jae LEE, Kyong Sub KIM, Yuk Hyun NAM, Sung Jae YUN
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Publication number: 20220262827Abstract: A display device in accordance with some embodiments may include a substrate, a first interlayer insulating layer on the substrate, a data conductor on the first interlayer insulating layer, a passivation layer on the data conductor, a pixel electrode layer on the passivation layer, and a shielding electrode between the data conductor and the pixel electrode layer, and defining a first contact opening and a second contact opening, wherein the data conductor and the pixel electrode layer are electrically coupled to each other in each of the first contact opening and the second contact opening.Type: ApplicationFiled: February 17, 2022Publication date: August 18, 2022Inventors: Hang Jae LEE, Yuk Hyun NAM, Sung Jae YUN
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Publication number: 20220189939Abstract: A display device includes electrodes disposed on a substrate, extended in a first direction, and spaced apart from one another in a second direction intersecting the first direction, and light-emitting elements having ends disposed on the electrodes, wherein the electrodes include a first electrode having a first portion and a second portion, and a floating electrode adjacent to the first portion of the first electrode, and a width of the second portion is greater than a width of the first portion in the second direction.Type: ApplicationFiled: September 16, 2021Publication date: June 16, 2022Applicant: Samsung Display Co., LTD.Inventors: Hang Jae LEE, Sung Jae YUN, Yuk Hyun NAM
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Publication number: 20220140195Abstract: A light emitting element ink, a display device, and a method of manufacturing the same are provided. The light emitting element ink includes a solvent, a light emitting element dispersed in the solvent, the light emitting element including a plurality of semiconductor layers and an insulating film partially surrounding outer surfaces of the plurality of semiconductor layers, and a reactive mesogen dispersed in the solvent.Type: ApplicationFiled: October 28, 2021Publication date: May 5, 2022Inventors: Sung Jae YUN, Yuk Hyun NAM, Sang Hoon PARK, Hang Jae LEE
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Publication number: 20220122956Abstract: A display device includes: a substrate including a pixel area; and a pixel in the pixel area, the pixel including a first sub-light emitting area, a second sub-light emitting area, and a peripheral area surrounding the first and second sub-light emitting areas. The pixel may include: a first electrode, a second electrode, a third electrode, and a fourth electrode that are spaced from each other; a plurality of light emitting elements in the first and second sub-light emitting areas; a bank in the peripheral area and including a first opening corresponding to the first sub-light emitting area and a second opening corresponding to the second sub-light emitting area; and an intermediate bank between the first sub-light emitting area and the second sub-light emitting area and partially overlapping the second and third electrodes in a plan view.Type: ApplicationFiled: October 15, 2021Publication date: April 21, 2022Inventors: Sung Jae YUN, Sang Hoon PARK, Jee Hoon PARK, Dong Woo SHIN, Hang Jae LEE, Jae Won CHOI
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Publication number: 20220109087Abstract: A display device includes a plurality of pixels, a first bank defining light emission regions of the plurality of pixels, a first electrode and a second electrode which are spaced apart from each other in each of the light emission regions, and a plurality of light emitting elements disposed between the first electrode and the second electrode. The first bank, the first electrode, and the second electrode include a same material.Type: ApplicationFiled: May 3, 2021Publication date: April 7, 2022Applicant: Samsung Display Co., LTD.Inventors: Hang Jae LEE, Yuk Hyun NAM, Sung Jae YUN, Geun Tak KIM, Jae Hoon KIM
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Publication number: 20220109085Abstract: A display device includes a first electrode and a second electrode spaced apart from each other on a substrate, a light-emitting element disposed between the first electrode and the second electrode on the substrate, a third electrode disposed on the first electrode and an end of the light-emitting element, a fourth electrode disposed on the second electrode and another end of the light-emitting element, a first insulation pattern disposed on the third electrode, and a second insulation pattern disposed on the first insulation pattern. An end of the first insulation pattern corresponding to the end of the light-emitting element protrudes toward the another end of the light-emitting element further than an end of the third electrode, and the second insulation pattern fills a space adjacent to the end of the third electrode and formed under the first insulation pattern.Type: ApplicationFiled: May 11, 2021Publication date: April 7, 2022Applicant: Samsung Display Co., LTD.Inventors: Yuk Hyun NAM, Sang Hoon PARK, Sung Jae YUN, Hang Jae LEE
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Publication number: 20220093836Abstract: A display device may include a substrate, and a display element layer disposed on the substrate and including a light emitting element that emits light in a display direction. The display element layer may include a first contact electrode electrically connected to the light emitting element, a second contact electrode electrically connected to the light emitting element, and a bank pattern having a shape extending in the display direction. At least one of the first contact electrode, the second contact electrode, and the bank pattern may include a transparent conductive polymer.Type: ApplicationFiled: April 12, 2021Publication date: March 24, 2022Applicant: Samsung Display Co., LTD.Inventors: Hang Jae LEE, Yuk Hyun NAM, Sang Hoon PARK
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Publication number: 20220084998Abstract: A display device includes a substrate including a plurality of pixels; a first bank disposed at a boundary of the plurality of pixels; a first electrode and a second electrode, spaced apart from each other on the substrate; an insulating layer disposed on the first electrode and the second electrode; and a plurality of light emitting elements disposed between the first electrode and the second electrode on the insulating layer. The first bank and the insulating layer are disposed on the same layer.Type: ApplicationFiled: April 19, 2021Publication date: March 17, 2022Applicant: Samsung Display Co., LTD.Inventors: Hang Jae LEE, Sung Ho PARK, Sung Jae YUN, Jong Hyeok LEE, Jae Won CHOI
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Publication number: 20220077245Abstract: A display device includes a plurality of subpixels arranged along a first direction and a second direction crossing the first direction, where each of the subpixels includes an emission area, a plurality of electrodes located in the emission area, extending in the first direction and spaced from one another in the second direction, and a plurality of light-emitting elements located on electrodes spaced from one another in the second direction, and where the subpixels include a plurality of first-type subpixels and a plurality of second-type subpixels, the second-type subpixels having a different number of electrodes in the emission area from the first-type subpixels.Type: ApplicationFiled: August 24, 2021Publication date: March 10, 2022Inventors: Hang Jae LEE, Sang Hoon PARK, Sung Jae YUN